1 // Copyright 2021 The Tint Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "gtest/gtest-spi.h"
16 #include "src/ast/binary_expression.h"
17 #include "src/ast/test_helper.h"
18
19 namespace tint {
20 namespace ast {
21 namespace {
22
23 using ForLoopStatementTest = TestHelper;
24
TEST_F(ForLoopStatementTest,Creation)25 TEST_F(ForLoopStatementTest, Creation) {
26 auto* init = Decl(Var("i", ty.u32()));
27 auto* cond =
28 create<BinaryExpression>(BinaryOp::kLessThan, Expr("i"), Expr(5u));
29 auto* cont = Assign("i", Add("i", 1));
30 auto* body = Block(Return());
31 auto* l = For(init, cond, cont, body);
32
33 EXPECT_EQ(l->initializer, init);
34 EXPECT_EQ(l->condition, cond);
35 EXPECT_EQ(l->continuing, cont);
36 EXPECT_EQ(l->body, body);
37 }
38
TEST_F(ForLoopStatementTest,Creation_WithSource)39 TEST_F(ForLoopStatementTest, Creation_WithSource) {
40 auto* body = Block(Return());
41 auto* l = For(Source{{20u, 2u}}, nullptr, nullptr, nullptr, body);
42 auto src = l->source;
43 EXPECT_EQ(src.range.begin.line, 20u);
44 EXPECT_EQ(src.range.begin.column, 2u);
45 }
46
TEST_F(ForLoopStatementTest,Creation_Null_InitCondCont)47 TEST_F(ForLoopStatementTest, Creation_Null_InitCondCont) {
48 auto* body = Block(Return());
49 auto* l = For(nullptr, nullptr, nullptr, body);
50 EXPECT_EQ(l->body, body);
51 }
52
TEST_F(ForLoopStatementTest,Assert_Null_Body)53 TEST_F(ForLoopStatementTest, Assert_Null_Body) {
54 EXPECT_FATAL_FAILURE(
55 {
56 ProgramBuilder b;
57 b.For(nullptr, nullptr, nullptr, nullptr);
58 },
59 "internal compiler error");
60 }
61
TEST_F(ForLoopStatementTest,Assert_DifferentProgramID_Initializer)62 TEST_F(ForLoopStatementTest, Assert_DifferentProgramID_Initializer) {
63 EXPECT_FATAL_FAILURE(
64 {
65 ProgramBuilder b1;
66 ProgramBuilder b2;
67 b1.For(b2.Block(), nullptr, nullptr, b1.Block());
68 },
69 "internal compiler error");
70 }
71
TEST_F(ForLoopStatementTest,Assert_DifferentProgramID_Condition)72 TEST_F(ForLoopStatementTest, Assert_DifferentProgramID_Condition) {
73 EXPECT_FATAL_FAILURE(
74 {
75 ProgramBuilder b1;
76 ProgramBuilder b2;
77 b1.For(nullptr, b2.Expr(true), nullptr, b1.Block());
78 },
79 "internal compiler error");
80 }
81
TEST_F(ForLoopStatementTest,Assert_DifferentProgramID_Continuing)82 TEST_F(ForLoopStatementTest, Assert_DifferentProgramID_Continuing) {
83 EXPECT_FATAL_FAILURE(
84 {
85 ProgramBuilder b1;
86 ProgramBuilder b2;
87 b1.For(nullptr, nullptr, b2.Block(), b1.Block());
88 },
89 "internal compiler error");
90 }
91
TEST_F(ForLoopStatementTest,Assert_DifferentProgramID_Body)92 TEST_F(ForLoopStatementTest, Assert_DifferentProgramID_Body) {
93 EXPECT_FATAL_FAILURE(
94 {
95 ProgramBuilder b1;
96 ProgramBuilder b2;
97 b1.For(nullptr, nullptr, nullptr, b2.Block());
98 },
99 "internal compiler error");
100 }
101
102 } // namespace
103 } // namespace ast
104 } // namespace tint
105